Release date: October 5, 2010
Vulnerability identifier: APSB10-21

Adobe recommends users of Adobe Reader 9.3.4 and earlier versions for Windows, Macintosh
and UNIX update to Adobe Reader 9.4. (For Adobe Reader users on Windows and Macintosh,
who cannot update to Adobe Reader 9.4, Adobe has provided the Adobe Reader 8.2.5 update.)
Adobe recommends users of Adobe Acrobat 9.3.4 and earlier versions for Windows and
Macintosh update to Adobe Acrobat 9.4. Adobe recommends users of Adobe Acrobat 8.2.4 and
earlier versions for Windows and Macintosh update to Adobe Acrobat 8.2.5.

Note that the October 5, 2010 updates represent an accelerated release of the next quarterly
security update originally scheduled for October 12, 2010. With this accelerated schedule, Adobe
will not release additional updates for Adobe Reader and Acrobat on October 12, 2010. The next
quarterly security updates for Adobe Reader and Acrobat are scheduled for February 8, 2011.

http://www.adobe.com/support/security/bulletins/apsb10-21.html

Adobe Secure Software Engineering Team Blog on sandboxing technology that will help contain malicious code execution.

Inside Adobe Reader Protected Mode – Part 1 – Design
http://blogs.adobe.com/asset/2010/10/inside-adobe-reader-protected-mode-part-1-design.html

Certifiedbug.com

Security updates available for Adobe Reader and Acrobat